Composite geotextile and method of manufacturing the same

Abstract

The application discloses a kind of composite geotextile and its manufacturing method, including cloth body base layer, the bottom of the cloth body base layer is provided with composite layer, the top of the cloth body base layer is provided with reinforcing layer, the top of the reinforcing layer is provided with protective layer, the bottom of the composite layer is fixedly connected with installation strip, the bottom of the installation strip is hinged with inclined resistance plate, the end of the inclined resistance plate away from installation strip is provided with inclined plane, the top of the inclined resistance plate is fixedly connected with limiting band, the other end of the limiting band is fixedly connected with the bottom of installation strip. By the abutment between strip-shaped block and inclined resistance plate, a certain angle is formed between inclined resistance plate and installation strip, which facilitates clamping between inclined resistance plate and ground, increases the friction between cloth body base layer and ground, avoids sliding after laying of cloth body base layer, and the warp and weft in reinforcing layer are composed of high-strength fiber filaments, which can improve the stability of reinforcing layer.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of geotextile, and particularly relates to a composite geotextile and a manufacturing method thereof. BACKGROUND

[0002] Geotextile, also known as geotextile, is a water-permeable geosynthetic material made of synthetic fibers by needling or weaving, which has a high isolation and filtration effect and plays an important role in various fields of modern civil engineering such as water conservancy, highway, railway, harbor and building. Non-woven geotextile has a three-dimensional structure, large thickness and high void ratio, and has great advantages in the application of geotextile.

[0003] The existing geotextile has low tensile strength and deformation resistance when in use, and the geotextile is easy to slide relative to the contact surface due to small friction force, thereby affecting the use of the geotextile. SUMMARY

[0004] In view of the deficiencies in the prior art, the application aims to provide a composite geotextile and a manufacturing method thereof, which can improve the tensile strength and deformation resistance of the geotextile, and improve the friction between the geotextile and the contact surface.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: in the first aspect, the application provides a composite geotextile, which comprises a cloth body base layer, a composite layer is arranged at the bottom of the cloth body base layer, a reinforcing layer is arranged at the top of the cloth body base layer, a protective layer is arranged at the top of the reinforcing layer, a mounting strip is fixedly connected to the bottom of the composite layer, an inclined resistance plate is hingedly connected to the bottom of the mounting strip, an inclined surface is arranged at the end of the inclined resistance plate away from the mounting strip, a limiting belt is fixedly connected to the top of the inclined resistance plate, and the other end of the limiting belt is fixedly connected to the bottom of the mounting strip.

[0006] Preferably, a strip-shaped block is fixedly connected to the bottom of the mounting strip, and the bottom of the strip-shaped block is overlapped with the top of the inclined resistance plate.

[0007] Preferably, the composite layer comprises geotextile and a reinforcing layer, the bottom of the reinforcing layer is fixedly connected to the top of the mounting strip, the top of the reinforcing layer is fixedly bonded to the bottom of the geotextile in a needling reinforcing manner, and the top of the geotextile is fixedly bonded to the bottom of the cloth body base layer through an adhesive.

[0008] Preferably, the reinforcing layer is woven from warp and weft, the warp and the weft are both high-strength fiber filaments, and the thickness of the reinforcing layer is 0.3-0.6 cm.

[0009] Preferably, the reinforcing layer comprises a chemical fiber cloth layer, a first isolation layer, a steel wire and a soil fiber mesh, the top of the chemical fiber cloth layer is fixedly bonded with the bottom of the soil fiber mesh by an adhesive, the bottom of the chemical fiber cloth layer is bonded with the first isolation layer, and the bottom of the first isolation layer is bonded with the soil fiber mesh.

[0010] Preferably, the inside of the first isolation layer is provided with a steel wire, and the surface of the steel wire is coated with an antioxidant coating.

[0011] Preferably, the protective layer comprises a second isolation layer, an anti-corrosion layer and a wear-resistant layer, the bottom of the second isolation layer is fixedly bonded with the top of the reinforcing layer in a needling reinforced manner, the top of the second isolation layer is fixedly bonded with the bottom of the anti-corrosion layer by an adhesive, and the top of the anti-corrosion layer is fixedly bonded with the bottom of the wear-resistant layer by an adhesive.

[0012] Preferably, the wear-resistant layer is polyurethane resin.

[0013] In a second aspect, the application provides a manufacturing method of the composite geotextile, comprising the following steps:

[0014] Step one: first prepare a cloth body base layer, and then lay a soil fiber mesh, a first isolation layer and a chemical fiber cloth layer on the upper surface of the cloth body base layer in sequence, and bond each layer by an adhesive.

[0015] Step two: then continue to lay a second isolation layer, an anti-corrosion layer and a wear-resistant layer on the upper surface of the chemical fiber cloth layer in sequence, and reinforce by needling during the laying process.

[0016] Step three: continue to lay a geotextile and a reinforcing layer on the lower surface of the cloth body base layer in sequence.

[0017] Step four: finally, install a strip on the bottom of the reinforcing layer in sequence and at equal intervals, then install an inclined resistance plate on the bottom of the strip, install a limiting belt between the inclined resistance plate and the strip, and then install a strip block at the hinge of the inclined resistance plate close to the bottom of the strip.

[0018] Compared with the prior art, the application has the following beneficial effects:

[0019] 1. The abutment between the strip block and the inclined resistance plate forms a certain angle between the inclined resistance plate and the installation strip, which facilitates the clamping between the inclined resistance plate and the ground, increases the friction between the cloth body base layer and the ground, avoids the sliding of the cloth body base layer after the laying is completed, the warp and weft in the reinforcing layer are composed of high-strength fiber filaments, which can improve the stability of the reinforcing layer, and thus the connection stability between the composite layer and the installation plate.

[0020] 2, By steel wire can improve the tensile strength and deformation resistance in each direction of the reinforcing layer, at the same time, the first isolation layer and the chemical fiber cloth layer can improve the composite strength, the second isolation layer is connected with the reinforcing layer through the needling reinforcement mode, which can improve the connection stability of the second isolation layer, improve the tensile strength and deformation resistance of the cloth base body, and through the combination of the corrosion-resistant layer and the wear-resistant layer, the corrosion resistance of the cloth base layer can be improved, and the wear resistance of the cloth base layer can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present application;

[0022] Figure 2 It is a structural bottom view schematic diagram of the present application;

[0023] Figure 3 It is an enlarged view of A in the present application; Figure 2

[0024] Figure 4 It is a structural schematic diagram of the composite layer of the present application;

[0025] Figure 5 It is a structural schematic diagram of the reinforcing layer of the present application;

[0026] Figure 6 It is a structural schematic diagram of the protective layer of the present application.

[0027] In the figure: 1, cloth base layer; 2, composite layer; 21, geotextile; 22, reinforcing layer; 3, reinforcing layer; 31, chemical fiber cloth layer; 32, first isolation layer; 33, steel wire; 34, cotton fabric fiber net; 4, protective layer; 41, second isolation layer; 42, corrosion-resistant layer; 43, wear-resistant layer; 5, mounting strip; 51, strip block; 52, inclined resistance plate; 53, limiting belt. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Please refer to Figures 1-6 ​The application provides a technical scheme: in the first aspect, the application provides a composite geotextile, which comprises a cloth body base layer 1, a composite layer 2 arranged at the bottom of the cloth body base layer 1, a reinforcing layer 3 arranged at the top of the cloth body base layer 1, a protective layer 4 arranged at the top of the reinforcing layer 3, a mounting strip 5 fixedly connected to the bottom of the composite layer 2, and an inclined resistance plate 52 hingedly connected to the bottom of the mounting strip 5, wherein an inclined surface is arranged at the end of the inclined resistance plate 52 away from the mounting strip 5, and a limiting belt 53 is fixedly connected to the top of the inclined resistance plate 52, and the other end of the limiting belt 53 is fixedly connected to the bottom of the mounting strip 5.

[0030] Specifically, the bottom of the mounting strip 5 is fixedly connected with a strip-shaped block 51, and the bottom of the strip-shaped block 51 is overlapped with the top of the inclined resistance plate 52.

[0031] In the embodiment, the abutment is formed between the strip-shaped block 51 and the inclined resistance plate 52, so that a certain angle is formed between the inclined resistance plate 52 and the mounting strip 5, thereby facilitating the clamping between the inclined resistance plate 52 and the ground, increasing the friction between the cloth body base layer 1 and the ground, and avoiding the sliding of the cloth body base layer 1 after the laying is completed.

[0032] Specifically, the composite layer 2 comprises a geotextile 21 and a reinforcing layer 22, the bottom of the reinforcing layer 22 is fixedly connected to the top of the mounting strip 5, the top of the reinforcing layer 22 is fixedly bonded to the bottom of the geotextile 21 in a needling reinforcing mode, the top of the geotextile 21 is fixedly bonded to the bottom of the cloth body base layer 1 through an adhesive, the reinforcing layer 22 is woven by warp and weft, the warp and the weft are high-strength fiber filaments, and the thickness of the reinforcing layer 22 is 0.3-0.6 cm.

[0033] In the embodiment, the warp and the weft in the reinforcing layer 22 are composed of high-strength fiber filaments, so that the stability of the reinforcing layer 22 can be improved.

[0034] Specifically, the reinforcing layer 3 comprises a chemical fiber cloth layer 31, a first isolation layer 32, a steel wire 33 and a linen fiber mesh 34, the top of the chemical fiber cloth layer 31 is fixedly bonded to the bottom of the linen fiber mesh 34 through an adhesive, the bottom of the chemical fiber cloth layer 31 is bonded with the first isolation layer 32, the bottom of the first isolation layer 32 is bonded with the linen fiber mesh 34, the steel wire 33 is arranged in the first isolation layer 32, and an antioxidant coating layer is coated on the surface of the steel wire 33.

[0035] In the embodiment, the steel wire 33 can improve the tensile strength and the anti-deformation capacity in each direction in the reinforcing layer 3, and the first isolation layer 32 and the chemical fiber cloth layer 31 can improve the composite strength.

[0036] Specifically, the protective layer 4 includes a second isolation layer 41, an anti-corrosion layer 42 and a wear-resistant layer 43, the bottom of the second isolation layer 41 is fixed and bonded with the top of the reinforcing layer 3 by a needle punching reinforcement method, the top of the second isolation layer 41 and the bottom of the anti-corrosion layer 42 are fixed and bonded by an adhesive, the top of the anti-corrosion layer 42 and the bottom of the wear-resistant layer 43 are fixed and bonded by an adhesive, and the wear-resistant layer 43 is polyurethane resin.

[0037] In the embodiment, the second isolation layer 41 is connected with the reinforcing layer 3 by a needle punching reinforcement method, which can improve the connection stability of the second isolation layer 41, and the combination of the anti-corrosion layer 42 and the wear-resistant layer 43 can improve the corrosion resistance of the cloth base layer 1 and the wear resistance of the cloth base layer 1.

[0038] The working principle and use process of the present application are as follows: the abutment between the strip block 51 and the inclined resistance plate 52 forms a certain angle between the inclined resistance plate 52 and the installation strip 5, which facilitates the clamping between the inclined resistance plate 52 and the ground, increases the friction between the cloth base layer 1 and the ground, avoids the sliding of the cloth base layer 1 after the laying is completed, the warp and weft in the reinforcing layer 22 are composed of high-strength fiber filaments, which can improve the stability of the reinforcing layer 22, thereby improving the connection stability between the composite layer 2 and the installation plate 5, the steel wire 33 can improve the tensile strength and deformation resistance in each direction of the reinforcing layer 3, the first isolation layer 32 and the chemical fiber cloth layer 31 can improve the composite strength, the second isolation layer 41 is connected with the reinforcing layer 3 by a needle punching reinforcement method, which improves the tensile strength and deformation resistance of the cloth base layer 1, improves the connection stability of the second isolation layer 41, and the combination of the anti-corrosion layer 42 and the wear-resistant layer 43 improves the corrosion resistance of the cloth base layer 1 and the wear resistance of the cloth base layer 1.

[0039] In a second aspect, the present application provides a manufacturing method of a composite geotextile, comprising the following steps:

[0040] Step one: first prepare the cloth base layer 1, and then lay the earth cloth fiber net 34, the first isolation layer 32 and the chemical fiber cloth layer 31 on the upper surface of the cloth base layer 1 in sequence, and the layers are bonded by an adhesive.

[0041] Step two: then continue to lay the second isolation layer 41, the anti-corrosion layer 42 and the wear-resistant layer 43 on the upper surface of the chemical fiber cloth layer 31 in sequence, and reinforce by needle punching during the laying process.

[0042] Step three: continue to lay the geotextile 21 and the reinforcing layer 22 on the lower surface of the cloth base layer 1 in sequence.

[0043] Step four: finally, the mounting strip 5 is bonded in sequence and equidistantly at the bottom of the reinforcing layer 22, then the inclined resistance plate 52 is installed at the bottom of the mounting strip 5, and the limiting strip 53 is installed between the inclined resistance plate 52 and the mounting strip 5, and then the strip-shaped block 51 is installed at the bottom of the mounting strip 5 near the hinge of the inclined resistance plate 52.

[0044] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are only by way of example and that modifications, changes, substitutions and variations can be made by those skilled in the art without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A geocomposite comprising a fabric base layer (1) characterised in that: The bottom of the cloth base layer (1) is provided with a composite layer (2), the top of the cloth base layer (1) is provided with a reinforcing layer (3), the top of the reinforcing layer (3) is provided with a protective layer (4), the bottom of the composite layer (2) is fixedly connected with a mounting strip (5), the bottom of the mounting strip (5) is hingedly connected with an inclined resistance plate (52), one end of the inclined resistance plate (52) away from the mounting strip (5) is provided with an inclined surface, the top of the inclined resistance plate (52) is fixedly connected with a limiting belt (53), the other end of the limiting belt (53) is fixedly connected with the bottom of the mounting strip (5); The composite layer (2) comprises a geotextile (21) and a reinforcing layer (22), the bottom of the reinforcing layer (22) is fixedly connected with the top of the mounting strip (5), the top of the reinforcing layer (22) is fixedly bonded with the bottom of the geotextile (21) by needling reinforcement, and the top of the geotextile (21) and the bottom of the cloth base layer (1) are fixedly bonded by an adhesive; The reinforcing layer (3) comprises a chemical fiber cloth layer (31), a first isolation layer (32), a steel wire (33) and a cotton fiber mesh (34), the top of the chemical fiber cloth layer (31) and the bottom of the cotton fiber mesh (34) are fixedly bonded by an adhesive, the bottom of the chemical fiber cloth layer (31) is bonded with the first isolation layer (32), and the bottom of the first isolation layer (32) is bonded with the cotton fiber mesh (34); The first isolation layer (32) is internally provided with the steel wire (33); The protective layer (4) comprises a second isolation layer (41), an anti-corrosion layer (42) and a wear-resistant layer (43), the top of the second isolation layer (41) is fixedly bonded with the bottom of the anti-corrosion layer (42) by needling reinforcement, and the top of the anti-corrosion layer (42) and the bottom of the wear-resistant layer (43) are fixedly bonded by an adhesive.

2. The composite geotextile according to claim 1, wherein: The bottom of the mounting strip (5) is fixedly connected with a strip-shaped block (51), and the bottom of the strip-shaped block (51) is overlapped with the top of the inclined resistance plate (52).

3. The composite geotextile according to claim 1, wherein: The reinforcing layer (22) is woven by warp and weft, and the thickness of the reinforcing layer (22) is 0.3-0.6cm.

4. The composite geotextile of claim 1, wherein: The surface of the steel wire (33) is coated with an antioxidant coating.

5. The composite geotextile of claim 1, wherein: The wear-resistant layer (43) is polyurethane resin.

6. A method of manufacturing a geotextile composite, characterized by: The method comprises the following steps: Step one: first prepare the cloth base layer (1), lay the cotton fiber mesh (34), the first isolation layer (32) and the chemical fiber cloth layer (31) on the upper surface of the cloth base layer (1) in sequence, and bond the layers by an adhesive; Step two: then continue to lay the second isolation layer (41), the anti-corrosion layer (42) and the wear-resistant layer (43) on the upper surface of the chemical fiber cloth layer (31) in sequence, and reinforce by needling during the laying process; Step three: continue to lay the geotextile (21) and the reinforcing layer (22) on the lower surface of the cloth base layer (1) in sequence. Step four: finally, the mounting strip (5) is bonded at the bottom of the reinforcement layer (22) in equal intervals, then the inclined resistance plate (52) is installed at the bottom of the mounting strip (5), and the limiting belt (53) is installed between the inclined resistance plate (52) and the mounting strip (5), then the strip-shaped block (51) is installed at the bottom of the mounting strip (5) near the hinge of the inclined resistance plate (52).

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